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EDUC-8
The EDUC-8, pronounced "educate", was an early microcomputer kit published by Electronics Australia in a series of articles starting in August 1974 and continuing to August 1975. Electronics Australia initially believed that it was the first such kit, but later discovered that Radio-Electronics had just beaten it with their Mark-8 by one month. However, Electronics Australia staff believed that their TTL design was superior to the Mark-8, as it did not require the purchase of an expensive microprocessor chip.
The EDUC-8 was an 8 bit bit-serial design with 256 bytes of RAM. The internal clock speed was 500 kHz, with an instruction speed of approximately 10 kHz, due to the bit-serial implementation. The instruction set was based on the DEC PDP-8.
Unlike the MITS Altair 8800, the EDUC-8 included two serial input and two serial output ports at the back of the computer. The EDUC-8 also had front panel lights and switches to program the computer. The later articles included a variety of peripherals, allowing the computer to interface to a keypad, octal display, paper tape loader, paper tape puncher, printer, keyboard, music player, teleprinter, magnetic tape recorder and alphanumeric display. The articles were collected into a book,〔EDUC-8 An Educational Microcomputer System For The Home Constructor and College Student, by Jamieson Rowe published by Electronics Australia〕 where additional information was published detailing how to expand the number of I/O ports to 256, adding up to 32KB of additional memory, and using the computer to control various switches.
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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